A long reach hex bit socket, for applications where a standard length hex bit will not fit. Size: 6mm x 150mm x 1/2"D. Impact quality, manufactured from chrome molybdenum for strength, with a black phosphate finish. Other sizes available, see Part Nos. 8581 (5mm), 8583 (7mm), 8584 (8mm), 8585 (10mm), 8586 (12mm), 8587 (14mm). Also available as part of a set, Part No. 8580. 0